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#!/bin/bash
if [ -z "$1" ]; then
echo "$0 <host>"
exit 1
fi
TMP=`host -t A "$1" | grep -v "has no"`
IP=`echo "$TMP" | awk '{ print($4) }'`
HOST=`echo "$TMP" | awk '{ print($1) }'`
TMP=`host -t AAAA "$1" | grep -v "has no"`
IP6=`echo "$TMP" | awk '{ print($5) }'`
HOST6=`echo "$TMP" | awk '{ print($1) }'`
if [ "$HOST6" = "$HOST" ]; then
HOST6=""
fi
SHORT="$1"
if [ "$SHORT" = "$HOST" ] || [ "$SHORT" == "$HOST6" ]; then
SHORT=""
fi
for name in $IP $IP6 $HOST $HOST6 $SHORT; do
ssh-keygen -f "/home/rhadmin/.ssh/known_hosts" -R "$name"
done
exit 0
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